Finding the Fourth Proportional to 88,925.26, 122,720.79 and 51,211.66
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Solution
The fourth proportional to 88,925.26, 122,720.79 and 51,211.66 is: 70,674.35
Step by Step Solution
- Step 1: Write the proportion equation
88,925.26 : 122,720.79 = 51,211.66 : x - Step 2: Convert to fraction form
88,925.26/122,720.79 = 51,211.66/x - Step 3: Cross multiply
88,925.26x = 122,720.79 × 51,211.66 - Step 4: Simplify right side
88,925.26x = 6,284,735,372.41 - Step 5: Solve for x
x = 6,284,735,372.41/88,925.26 - Step 6: Final answer
x = 70,674.35
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.